#include<stdio.h>
#define N 7
int main()
{
	for (int i = 1; i <= 2 * N - 1; i++)
	{
		int k = i;
		if (i > N)
			k = 2 * N - i;
		for (int j = 1; j <= N - k; j++)
			printf(" ");
		for (int j = 1; j <= 2 * k - 1; j++)
			printf("*");
		printf("\n");
	}
	
	return 0;

}